Headlamp



FIG. 1 is a perspective view of the headlamp with a strap;

FIG. 2 is a front view of the headlamp;

FIG. 3 is top view thereof;

FIG. 4 is a right-side view thereof (the left-side view being a mirror image of the right-side view);

FIG. 5 is a rear view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing is for environmental purposes only and forms no part of the claimed design. The dot-dash lines depict a boundary between claimed and unclaimed subject matter, and form no part of the claimed design. 

CLAIM The ornamental design for a headlamp, as shown and described. 